MySQL Vs. MS SQL Server. What's The Difference?
Jul 19, 2007
I'm a beginner programmer and databases are still a bit of a mystery to me. I have some basic questions that I can't find direct answers for anywhere but which I think should be fairly simple for someone acquainted with using databases in programming.
1. MySQL & MS SQL Server (or Express)...what's the difference? Are they mutually compatible? Are all SQL files written in the same file format?
2. If I write create a MySQL database on my website to store customer data, can my application which was written with VB 2005 Express (and which uses MS SQL Server Express) read those database files? Vice-versa?
3. If I create a MS SQL database in VB express for my application, is that database on some huge central server somewhere or is my computer used as the server, or what? (yeah, I know that's probably a really stupid question but I can find the answer in any of the three programming books I've bought in recent months or online either.)
4. I've read the MySQL is free unless I use the databases within an actual application from which I'm making money, in which case I need to buy a license. What about MS SQL Server or MS SQL Express? Microsoft can be so withholding about what costs money, what is free, and what is temporarily free.
That's all for now...I hope someone can answer my stupid questions.
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Mar 6, 2007
The source for this problem can be found http://www.wellytop.com/SQLProblem.zip
This test creates two threads each with a database connection and uses transactions to insert values into the same table.
The objective of this test is to check that a thread cannot read the results from a pending transaction on a different thread.
In effect this checks dirty reads do not happen and transaction locking.
The test runs correctly and displays "PASSED" with MySQL indicating the transaction and threading worked.
When running with MSSQL Express 2005 it reports a deadlock error during a transaction.
It's not really possible to re-run the transaction and I would like MS SQL to operate similar to MySQL, i.e. MySQL waits for the other transaction to finish before the next transaction can operate on those table rows. I'd like to use MSSQL but I am wondering why this error doesn't happen with MySQL and so have, for the moment, chosen to use it as my preferred database solution.
I have experimented with transaction isolation levels and this doesn't seem to solve the problem.
I've tested this with a fresh install of Windows XP SP2 and no firewall turned on.
To run this test with MSSQL Express2005 use the ODBC Data Source Administrator (odbcad32.exe) to create a data source named MyExpressTest and attach this to an empty database that has been created with the default values. Enable the #define MSSQL in the coude otherwise it tests with MySQL.
To run this test with MySQL (to show how this test should work) use the ODBC Data Source Administrator (odbcad32.exe) to create a data source named mySQLNewTest and attach this to an empty database that has been created with the default values. Comment out the #define MSSQL to switch to MySQL mode.
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Feb 12, 2007
Good Morning
Has anyone successfully used cherry's oledb provider for MYSQL to create a linked server from MS SQLserver 2005 to a Linux red hat platform running MYSQL.
I can not get it to work.
I've created a UDL which tests fine. it looks like this
[oledb]
; Everything after this line is an OLE DB initstring
Provider=OleMySql.MySqlSource.1;Persist Security Info=False;User ID=testuser;
Data Source=databridge;Location="";Mode=Read;Trace="""""""""""""""""""""""""""""";
Initial Catalog=riverford_rhdx_20060822
Can any on help me convert this to corrrect syntax for sql stored procedure
sp_addlinkedserver
I've tried this below but it does not work I just get an error saying it can not create an instance of OleMySql.MySqlSource.
I used SQL server management studio to create the linked server then just scripted this out below.
I seem to be missing the user ID, but don't know where to put it in.
EXEC master.dbo.sp_addlinkedserver @server = N'DATABRIDGE_OLEDB', @srvproduct=N'mysql', @provider=N'OleMySql.MySqlSource', @datasrc=N'databridge', @catalog=N'riverford_rhdx_20060822'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'collation compatible', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'data access', @optvalue=N'true'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'dist', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'pub', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'rpc', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'rpc out', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'sub', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'connect timeout', @optvalue=N'0'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'collation name', @optvalue=null
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'lazy schema validation', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'query timeout', @optvalue=N'0'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'use remote collation', @optvalue=N'false'
Many Thanks
David Hills
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Mar 3, 2005
I have an internal Project Management and Scheduling app that I wrote internally for my company. It was written to use MySQL running on a Debian server, but I am going to move it to SQL Server 2000 and integrate it with our Accounting software. The part I am having trouble with is the user login portion. I previously used this:
PHP Code:
$sql = "SELECT * FROM users WHERE username = "$username" AND user_password = password("$password")";
Apparently the password() function is not available when accessing SQL Server via ODBC. Is there an equivalent function I could use isntead so the passwords arent plaintext in the database? I only have 15 people using the system so a blank pwd reset wouldn't be too much trouble.
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Oct 24, 2007
Question is in the subject.
Thanks in advance
-Jamie
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Oct 5, 2006
im trying to convert this table for a friend 1 CREATE TABLE adminmessage (
2 adminmessageid INT UNSIGNED NOT NULL AUTO_INCREMENT,
3 varname varchar(250) NOT NULL DEFAULT '',
4 dismissable SMALLINT UNSIGNED NOT NULL DEFAULT '0',
5 script varchar(50) NOT NULL DEFAULT '',
6 action varchar(20) NOT NULL DEFAULT '',
7 execurl mediumtext NOT NULL,
8 method enum('get','post') NOT NULL DEFAULT 'post',
9 dateline INT UNSIGNED NOT NULL DEFAULT '0',
10 status enum('undone','done','dismissed') NOT NULL default 'undone',
11 statususerid INT UNSIGNED NOT NULL DEFAULT '0',
12 PRIMARY KEY (adminmessageid),
13 KEY script_action (script, action),
14 KEY varname (varname)
15 )
and was wondering how to do it when mssql doesn't have enums :(
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Jul 5, 2004
I just started developing my site locally using SQL Server and am planning to move it to our work's MySQL server. Is there anything that I should be aware of before I continue any furthur? Will I lose any data or is it even an option to move from SQL Server to My SQL???
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Nov 16, 2000
Hi Guys,
I am working for a client who needs to move database from MySQL application to MS SQL SERVER 7.0.
Is there anybody who has done it before?
I need some help about how to load data from one system to another system.
THanks in advance.
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Sep 2, 2005
Hi there, I'm hoping someone out there can help me.
At my old job, I developed web applications that were based off of a MySQL server. I used PHPMyAdmin and learned the PHP coding, and although not formally trained in DBA or anything, I became very comfortable with using it and building database applications. I did everything through SQL/PHP script coding or through PHPMyAdmin.
At my new job, I decided to build a database, but only had access to MS Access, which I can use, but don’t necessarily like. One day, in earshot of one of our admins, I grumbled “if I only had access to a SQL server, I’d turn this thing into a very cool web application.� Well, he heard, and gave me access to the SQL server and the web server. Thing is, it’s not MySQL, but MS SQL Server. And I feel like I am at a total loss. I was able to build a basic database in the Enterprise Manager on the SQL server, and create a web site on the web server, but I don’t even know how to begin to connect the two – what is the equivalent of MySQLConnect? I know I would have to learn the VBScript and everything for the advanced stuff, but for right now, I just want to make a simple web page that will do a simple select query from a database and return the rows, and simple forms to input into the database. How do I begin? What do I need to know to begin? I have a feeling the applications already on the server were contracted out, so I don’t actually know if anyone here could help me.
Thanks for your help.
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Feb 28, 2008
I need to pull data out of SQL Server 2005 and load it into a MySql 5 database, and can't find a way to do this efficiently in SSIS since there's no ODBC destination, and I couldn't find an Oledb driver for MySQL. Any thoughts on the best way to accomplish this, aside from exporting to text, and then loading it into MySql via the mysql client or mysql importer?
-A
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Jul 23, 2005
Hey there,I'm curious about MySQL. Could anyone quickly summarize thedifferences between MySQL and SQL Server and outline why someone mightpick SQL Server over MySQL?(Please post replies here, email address is fake)Cheers,Geoff GlaveVancouver, Canada
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Jan 28, 2008
Hello Guys,
I'm searching for a way to compare informations from one database against another database.
E.g. i want to check if serialnumbers of my first database (eg hardware.xls or hardware.csv ) are already stored in my sql server database.
I know i can use sql querys (Joins) for that task but i don't know how i can access 2 different databases at the same time. Do i need a tool for it? Does Excel is able to compare those data? But how? I'm searching for that thread since 2 days testing with some tools without any success...
So please help...
Kindly Regards...
Be
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Dec 29, 2006
I don't know if this is unique to GoDaddy: I found the program for working with a MySQL database very intuitive (to the point of compliments). Today I started work with ASP.NET and SQL, and when I went to work with SQL Server (on GoDaddy), it wasn't intuitive, and there was almost nothing on which to click. By chance might there be a tutorial that would help a person who needs to work with SQL Server on a provider like GoDaddy?
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Mar 6, 2008
Hello all,
I have an application in which the database is currently in MySQL. The app is being re-written(in .net 3.5) and I would like to move the data to SQL Server 2005. What is the best may to get the data from MySQL to SQL Server. Any good tools out there? Idealy, I would be able to manipulate the data during the move, as I have plans for some schema changes, but I suppose I could always make them after migrating.
Please suggest any tools or methods, with your thoughts. I will evaluate any suggested tools. Also, SSIS is available for me, is that the best way?
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Apr 7, 2006
hi !
i am using SQL Server 2000...someone told me the new version of Mysql 5.0 is very powerfull and it is better than MS products?!!! any good resources about the benefit of using SQL server 2000 rather than open source?!!
Thanks!
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Mar 7, 2001
I have created a linked server to a MySQL database using a DSN. Does anyone know how to run a select statement against a table in the MySQL database? The usual 4 part naming convention does not work.
I can run SELECT *
FROM OPENQUERY(Top50, 'SELECT * FROM orders') which does return records successfully. (Top50 being the name of the linked server)
My objective is to be able to insert records into the MySQL database and I am not sure how do to that using OPENQUERY. Any thoughts on that would be appreciated as well.
Thanks in advance.
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Jul 14, 2002
Anyone know how to go about getting data from MySql to MS SQL server? Im a little confussed as to what ODBC driver is needed and all that. Is it possible to this all through enterprise manager? Thanks a lot.
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Jul 20, 2004
I have used this mysql code in my programm before:
select * from address order by vorname asc limit 0, 10
It works fine. But now I want to use sql server, and it doesn't recognize the term limit.
So I have found out that I can use top instead.
I have changed my code into this:
select top 0 * from (select top 10* from address order by vorname) order by vorname asc
But it gives me an error message:
wrong syntax near the word Order.
Can anyone give me a solution?
Thank you.
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Aug 4, 2004
Hello, anyone knows a good way to export a data base from MSSQL Server 2000 to MySQL? Any suggestion is accepted. Thanks
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Dec 13, 2004
Hi all, hoping someone can help.
I have created an ODBC connection to a remote MySQL database.
I can then go into DTS wizard and specify this ODBC connection, it all goes through fine and I can see the tables on the remote server and import data.
The problem arises when I try and create a linked server using the same ODBC connection. I get the following error, when I try to view the tables.
I am so stuck. Any help would be very much appreciated.
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Jan 18, 2005
We are trying to do a linked server to MySQL from MS SQL2k. We downloaded MyODBC drivers, setup the system dsn successfully but then SQL errors out using both the GUI and the stored proc to add the linked server to mysql. Does anyone have a good site to reference or any words of advice. An hr or so of google didn't really give up any helpfully information.
Thanks,
DMW
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Nov 5, 2005
What is the difference between the SQL used in MySQL and on the MS SQL 2000 server?
Can anyone recommend a good reference on translating a mySQL dump to a format that could be easily uploaded to a MS SQL server?
Thanks!!!!
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Feb 3, 2006
Hi everybody,
I have to port a database from MSSQL to MySQL.
I'm really a newbie with MSSQL and I need some hints on how to do this task.
I received a .bak file which my boss told me that this a backup of the database
I have to port.
Then I installed MSQL 2000 developer edition on my workstation and then started
playing with it.
The problem is that I don't know how to connect to the database... and with what
application do some queries. In mysql I use phpMyAdmin which is really useful.
Is there something similar for SQL server? Or something like sqlplus under Oracle?
Moreover how can I install the .BAK file they sent me on my MSSQL install in order
to recreate the db on my workstation??
Thank you.
Fabio
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Mar 1, 2006
I use MS profiler to run traces to diagnose issues/problems with any MS SQL Server database. Is there an equivalent tool when using MySQL database? What about Enterprise Manger and Query Analyzer? Is it fair to assume that the administrative tools available for MySQL will do the job that MS tools do for MS SQL Server with comparable ease?
Thanks.
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Mar 29, 2004
hi.. currently i need to convert from mysql to sql
how am i to convert it ? below are my previous codes
thanks!
Imports System.Configuration.ConfigurationSettings
Imports System.Web.HttpContext
Imports System.Data.Odbc
Public Class DB
Dim myDB As New OdbcConnection
Dim myCMD As New OdbcCommand
Public Sub New()
Dim db_server = AppSettings("db_server")
Dim db = AppSettings("db")
Dim db_user = AppSettings("db_user")
Dim db_pwd = AppSettings("db_pwd")
Dim DBConnection As String = "DRIVER={MySQL ODBC 3.51 Driver};" & _
"SERVER=" & db_server & ";" & _
"DATABASE=" & db & ";" & _
"UID=" & db_user & ";" & _
"PASSWORD=" & db_pwd & ";" & _
"OPTION=3;"
myDB.ConnectionString = DBConnection
myCMD.Connection = myDB
End Sub
Public Function q(ByVal mySTR As String) As OdbcDataReader
myCMD.CommandText = mySTR
Try
myDB.Open()
q = myCMD.ExecuteReader(Data.CommandBehavior.CloseConn ection)
Catch ex As Exception
Err(ex.ToString)
End Try
End Function
Public Sub c(ByVal mySTR As String)
Try
myCMD.Connection.Open()
myCMD.CommandText = mySTR
myCMD.ExecuteNonQuery()
myCMD.Connection.Close()
Catch ex As Exception
Err(ex.ToString)
End Try
End Sub
Private Sub Err(ByVal strError As String)
Current.Response.Write("<h1>An error has occurred.</h1><br>" & vbCrLf)
Current.Response.Write("Please report to us the error message<br>" & vbCrLf)
Current.Response.Write(strError)
Current.Response.Flush()
Current.Response.End()
End Sub
End Class
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Apr 26, 2007
I've been asked to migrate a db in MySQL to SQL Server 2005. Since I'm only familiar with sql server 2000 and before, I dont' know where to begin looking for the information I need.
Can someone point me to what I would search for in SQL Server 05 for this (is there any new features here I should be aware of that might make this easier?)
If anyone has done this, what are the gotcha's or things I should be aware of.
Thanks for any input
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Dec 21, 2007
I want to send table values from MS SQL Server to MySQL. For example if any row is inserted or deleted or updated in MS SQL Server database then the same has to be reflected in a similar table in MySQL so that the both the database table are in synch with each other. it would be of gr8 help if anyone could suggest something regarding this. Thanks in advance....
dinesh
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May 19, 2006
whats the difference betwwen mysql and sql server2000 in terms of usingstoredprocedures,stored functions and views.
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Aug 17, 2007
Hello
We recently started to use SQL server 2005. Now I need someway to sync some tables between the SQL server and our existing MySql db. Any recommendations on tools who will allow me to do this?
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Nov 8, 2006
Hi,
I have a problem , I created a linked server to mysql with following parameters:
New linked server: ServerName
Server Type: Other data Source: Microsoft OLE DB Provider for ODBC Drivers.
In the Provider String:Driver={mySQL ODBC 3.51 driver};Server="ip";Port=3306;Option=17923;Stmt=;Database="database";Uid=root;Pwd="pwd"
And I created a ODBC with mysql, and connection worked sucessfully!
The connection worked corretly until I' ve running a transact query in sql query analyzer, thats connects to MySQL and...
when I try to connect in SQL Server 2000 standard Ed. in linked Server, the following message appears to me now, and before this I was able to connect!
Server: Msg 7399, Level 16, State 1, Line 11
OLE DB provider 'MSDASQL' reported an error. The provider reported an unexpected catastrophic failure.
ODBC: Msg 0, Level 19, State 1
SqlDumpExceptionHandler: Process 169 generated fatal exception c0000005 EXCEPTION_ACCESS_VIOLATION. SQL Server is terminating this process.
OLE DB error trace [OLE/DB Provider 'MSDASQL' IDBInitialize::Initialize returned 0x8000ffff: The provider reported an unexpected catastrophic failure.
The query just make a select in MySQL, but I think that broke something...
What I have to do?
reply to my email: daniel.sarnes@antilhas.com.br
Thanks a lot!
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Sep 30, 2006
How can I change the MySQL code to SQL Server's like below?
I could not find out to change appropriate UNSIGNED keyword and ENUM
keyword in SQL Server.
CREATE TABLE myTable (
id INT UNSIGNED NOT NULL,
name CHAR(20),
role ENUM('ADMIN','USER','GUEST','UNKNOWN') DEFAULT 'ADMIN'
PRIMARY KEY(id)
);
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Apr 26, 2007
I would like to know, if it's possible, to migrate a data base in SQL Server to MySql.
Thank You!
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Jan 30, 2006
Hi all,
I want to connect MySql server using SDK i.e. win32 or C++ can somebody tell me what is possible solution. I hae successfully made this coneection using .NET but now i wnat to connect using pure win32 API's
thanks......
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